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Hexaware Data Engineer Interview Questions

The questions to prepare for a Hexaware Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 5 questions · ~45 min
Generate Fibonacci SeriesEasy
Practice

Generate the first n Fibonacci numbers using an iterative algorithm.

Basic AlgorithmsloopsHHexaware
Spark Job OptimizationMedium

Tests your ability to improve Spark performance through tuning and execution strategy.

data engineeringsparkHHexaware
Salting to Prevent SkewMedium

Tests your ability to mitigate skew and improve distributed join or aggregation performance.

data engineeringHHexaware
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2
Pipelines11 questions · ~100 min
Spark Job OptimizationHard

Evaluates performance troubleshooting and optimization techniques for Spark workloads.

sparkoptimizationHHexaware
Medallion Architecture DesignMedium

Evaluates your approach to structuring data for quality, governance, and consumption.

medallion architecturedata engineeringHHexaware
ETL and Azure ComponentsMedium

Evaluates ETL strategy and ability to implement pipelines using SQL and Azure services.

ETLsqlHHexaware
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3
More topics2 questions · ~18 min
Spark SQL Join OptimizationHard

Assesses advanced Spark SQL performance tuning for join-heavy workloads.

sqloptimizationHHexaware
AWS Glue ExperienceMedium

Assesses hands-on experience with AWS Glue and practical ETL/data integration decisions.

HHexaware
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Second Highest Trader SalaryEasy
Practice
Practice drill

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingeClinicalWorksInformaticaSpectraforce Technologies
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Top 5 Products Per MonthMedium
Practice
Practice drill

Rank completed product sales by month using joins, aggregation, date truncation, and ROW_NUMBER().

sqlCGICgi NederlandCGI Group
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